1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 772-19:2000 The Eur
2、opean Standard EN 772-19:2000 has the status of a British Standard ICS 91.080.30; 91.100.15 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Methods of test for masonry units Part 19: Determination of moisture expansion of large horizontally perforated clay masonry unitsThis Br
3、itish Standard, having been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 July 2000 BSI 07-2000 ISBN 0 580 34982 9 BS EN 772-19:2000 Amendments issued since publication
4、 Amd. No. Date Comments National foreword This British Standard is the official English language version of EN 772-19:2000 which is included in a package of new European Standards being prepared by CEN/TC 125 relating to clay masonry units. No British Standard is superseded. The UK participation in
5、its preparation was entrusted by Technical Committee B/519, Masonry and associated tests, to Subcommittee B/519/1, Masonry units, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for
6、 change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement internation
7、al or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include al
8、l the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN titl
9、e page, pages 2 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.(8523($167$1$5 1250(8523e(11( (8523b,6&+(1250 (1 0DUFK ,&6 (QJOLVKYHUVLRQ 0HWKRGVRIWHVWIRUPDVRQUXQLWV3DUWHWHUPLQDWLRQRI PRLVWXUHHSDQVLRQRIODUJHKRULRQWDOOSHUIRUDWHGFO
10、D PDVRQUXQLWV 0pWKRGHVGHVVDLGHVpOpPHQWVGHPDoRQQHULH3DUWLH pWHUPLQDWLRQGHODGLODWDWLRQjOKXPLGLWpGHVJUDQGV pOpPHQWVGHPDoRQQHULHHQWHUUHFXLWHSHUIRUpV KRULRQWDOHPHQW 3UIYHUIDKUHQIU0DXHUVWHLQH7HLO%HVWLPPXQJGHU )HXFKWHGHKQXQJYRQKRULRQWDOJHORFKWHQJURHQ 0DXHULHJHOQ 7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE&(1RQ)HEUXDU
11、 &(1PHPEHUVDUHERXQGWRFRPSOZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSH DQ 6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQDOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJV XFKQDWLRQDO VWDQGDUGVPDEHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ&(1PH
12、PEHU 7KLV(XURSHDQ6WDQGDUGHLVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQRWKHUODQJXDJHPDGHEWUD QVODWLRQ XQGHUWKHUHVSRQVLELOLWRID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVW KHRIILFLDO YHUVLRQV &(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&HFK5
13、HSXEOLFHQPDUN)LQODQG)UDQFH*HUPDQ*UHHFH ,FHODQG,UHODQG,WDO/XHPERXUJ1HWKHUODQGV1RUZD3RUWXJDO6SDLQ6ZHGHQ6ZLWHUODQGDQG8QLWHG.LQJGRP (8523($1 &200,77( )25 67$1$5,=$7,21 &20,7e(8523e(1(1250$/,6$7,21 (8523b,6&+(6.20,7()h5125081* &HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%UXVVHOV &(1 $OOULJKWVRIHSORLWDWLRQLQDQIRUPDQGE
14、DQPHDQVUHVHUYHG ZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV 5HI1R(1(3DJH (1 %6, &RQWHQWV 3DJH )RUHZRUG 6FRSH 1RUPDWLYHUHIHUHQFHV 3ULQFLSOH 6PEROV $SSDUDWXV 6DPSOLQJ 3URFHGXUH (SUHVVLRQRIUHVXOWV 7HVWUHSRUW 3DJH (1 %6, )RUHZRUG 7KLV(XURSHDQ6WDQGDUGKDVEHHQSUHSDUHGE7HFKQLFDO&RPPLWWHH&(17&0DVRQUWKH VHFUHWDULDWRIZKLFK
15、LVKHOGE%6, 7KLV(XURSHDQ6WDQGDUGVKDOOEHJLYHQWKHVWDWXVRIDQDWLRQDOVWDQGDUGHLWKHUESXEOLFDWLRQRI DQLGHQWLFDOWHWRUEHQGRUVHPHQWDWWKHODWHVWE6HSWHPEHUDQGFRQIOLFWLQJQDWLRQDO VWDQGDUGVVKDOOEHZLWKGUDZQDWWKHODWHVWE6HSWHPEHU $FFRUGLQJWRWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVWKHQDWLRQDOVWDQGDUGVRUJDQLDWLRQVRI WKHIROORZLQ
16、JFRXQWULHVDUHERXQGWRLPSOHPHQWWKLV(XURSHDQ6WDQGDUG$XVWULD%HOJLXP &HFK5HSXEOLFHQPDUN)LQODQG)UDQFH*HUPDQ*UHHFH,FHODQG,UHODQG,WDO /XHPERXUJ1HWKHUODQGV1RUZD3RUWXJDO6SDLQ6ZHGHQ6ZLWHUODQGDQGWKH8QLWHG .LQJGRP3DJH (1 %6, 6FRSH 7KLV(XURSHDQ6WDQGDUGVSHFLILHVDQDFFHOHUDWHGPHWKRGRIGHWHUPLQLQJWKHPRLVWXUHHSDQVLRQ R
17、IODUJHFODXQLWVZLWKKRULRQWDOSHUIRUDWLRQVWKDWKDYHRQHGLPHQVLRQHTXDOWRRUJUHDWHUWKDQ PPDQGVKHOOWKLFNQHVVHVOHVVWKDQPP 1RUPDWLYHUHIHUHQFHV 7KLV(XURSHDQ6WDQGDUGLQFRUSRUDWHVEGDWHGRUXQGDWHGUHIHUHQFHSURYLVLRQIURPRWKHU SXEOLFDWLRQV7KHVHQRUPDWLYHUHIHUHQFHVDUHFLWHGDWWKHDSSURSULDWHSODFHVLQWKHWHWDQGWKH SXEOLFDWLRQV
18、DUHOLVWHGKHUHDIWHU)RUGDWHGUHIHUHQFHVVXEVHTXHQWDPHQGPHQWVWRRUUHYLVLRQVRI DQRIWKHVHSXEOLFDWLRQVDSSOWRWKLV(XURSHDQ6WDQGDUGRQOZKHQLQFRUSRUDWHGLQLWE DPHQGPHQWRUUHYLVLRQ)RUXQGDWHGUHIHUHQFHVWKHODWHVWHGLWLRQRIWKHSXEOLFDWLRQUHIHUUHGWR DSSOLHV SU(16SHFLILFDWLRQIRUPDVRQUXQLWV 3DUW &ODPDVRQUXQLWV 3ULQFLSOH 7KLV
19、WHVWPHDVXUHVWKHOHQJWKFKDQJHRIWHVWVSHFLPHQVFDXVHGEVXEMHFWLQJWKHPWRERLOLQJ ZDWHUIRUDKSHULRG 6PEROV O L LVWKHLQLWLDOOHQJWKDQLQGLYLGXDOVSHFLPHQDIWHUNLOQUHILULQJDQGFRROLQJDW DPELHQWWHPSHUDWXUHPP 5 LQ LVWKHUHDGLQJIURPWKHLQYDUUHIHUHQFHEDUXVLQJWKHGLUHFWUHDGLQJJDXJHPP O V LVWKHILUVWGHYLDWLRQZKLFKLVWKHGLIIHUH
20、QFHEHWZHHQWKHILUVWUHDGLQJIURPDQ LQGLYLGXDOVSHFLPHQ 5 d DIWHUNLOQUHILULQJDQGFRROLQJWRDPELHQWWHPSHUDWXUH DQGWKHUHDGLQJIURPWKHLQYDUUHIHUHQFHEDU 5 LQLQPP O V LVWKHVHFRQGGHYLDWLRQZKLFKLVWKHGLIIHUHQFHEHWZHHQWKHVHFRQGUHDGLQJIURP DQLQGLYLGXDOVSHFLPHQ 5 d DIWHUNLOQUHILULQJFRROLQJWRDPELHQWWHPSHUDWXUH DQGVXEVH
21、TXHQWKKROGDQGWKHUHDGLQJIURPWKHLQYDUUHIHUHQFHEDU 5 LQPP O P LVWKHPHDQLQLWLDOGHYLDWLRQRIDQLQGLYLGXDOVSHFLPHQPP O V LVWKHWKLUGGHYLDWLRQZKLFKLVWKHGLIIHUHQFHEHWZHHQWKHWKLUGUHDGLQJIURPDQ LQGLYLGXDOVSHFLPHQ 5 d KDIWHUFRROLQJIROORZLQJERLOLQJZDWHUWUHDWPHQWDQG WKHUHDGLQJIURPWKHLQYDUUHIHUHQFHEDU 5 LQPP O V LVW
22、KHIRXUWKGHYLDWLRQZKLFKLVWKHGLIIHUHQFHEHWZHHQWKHIRXUWKUHDGLQJIURPDQ LQGLYLGXDOVSHFLPHQ 5 d KDIWHUWKHWKLUGUHDGLQJ 5 d DQGWKHUHDGLQJIURP WKHLQYDUUHIHUHQFHEDU 5 LQPP O P LVWKHPHDQILQDOGHYLDWLRQRIDQLQGLYLGXDOVSHFLPHQPP3DJH (1 %6, H V LVWKHPRLVWXUHHSDQVLRQRIDQLQGLYLGXDOVSHFLPHQPPP H P LVWKHPHDQYDOXHRIPRLV
23、WXUHHSDQVLRQPPP $SSDUDWXV 5HIHUHQFHEDUV RIQLFNHOVWHHOLQYDURIWKHDSSURLPDWHOHQJWKRIWKHWHVWVSHFLPHQV .LOQFDSDEOHRIPDLQWDLQLQJDUDWHRIULVHRIWHPSHUDWXUHRIDSSURLPDWHO&KDQGD WHPSHUDWXUHRI& 6XLWDEOHWSHRI PHDVXULQJIUDPH ILWWHGZLWKDGLDOJDXJHDWUDQVGXFHURUVLPLODUGHYLFH ZLWKDQDFFXUDFRIDWOHDVWPPVHHHDPSOHLQ)LJXUH 9
24、HUQLHUFDOOLSHUV RURWKHUVXLWDEOHDSSDUDWXV IRUOLQHDUPHDVXUHPHQWWRWKHQHDUHVW PP 6SHFLDOPHDVXUHPHQWUHIHUHQFHSDGVDQGDGKHVLYH LIQHFHVVDU $SSDUDWXVIRUPDLQWDLQLQJWKHWHVWVSHFLPHQVLQERLOLQJZDWHU IRUK HVLFFDWRU FDSDEOHRIKROGLQJDOOWKHVSHFLPHQV 6DPSOLQJ 7KHPHWKRGRIVDPSOLQJVKDOOEHLQDFFRUGDQFHZLWKSU(17KHPLQLPXPQXP
25、EHURI VSHFLPHQVVKDOOEHVLEXWDODUJHUQXPEHUPDEHVSHFLILHGLQWKHSURGXFWVSHFLILFDWLRQLQ ZKLFKFDVHWKDWODUJHUQXPEHUVKDOOEHXVHG 3URFHGXUH 3UHSDUDWLRQ &XWDVSHFLPHQRXWRIDVKHOOIURPHDFKPDVRQUXQLWSDUDOOHOWRWKHSHUIRUDWLRQV7KHOHQJWK VKDOOEHDVJUHDWDVSRVVLEOHEHWZHHQPPWRPPGHSHQGLQJRQWKHUHIHUHQFHEDUV 7KHPLQLPXPZLGWKVKDO
26、OEHPP3UHSDUHWKHHQGVRIWKHVSHFLPHQVDVQHFHVVDUVRWKDWWKH PHDVXULQJGHYLFHEHDUVRQWRIODWVXUIDFHVSHUSHQGLFXODUWRWKHDLVRIWKHVSHFLPHQ 1RWH6SHFLDOHQGSUHSDUDWLRQPDKDYHWREHFDUULHGRXWRQWKHVSHFLPHQVEHIRUHEHLQJ PHDVXUHGHJVSHFLDODGKHVLYHPHDVXUHPHQWUHIHUHQFHSDGVRUGHSUHVVLRQVFXWLQHQGVRI VSHFLPHQDVDSSURSULDWH3DJH (1 %6
27、, 5HILULQJ ,IWKHVSHFLPHQVKDYHEHHQZHWWHGGXULQJSUHSDUDWLRQWKHQVWRUHWKHPIRUKDWDPELHQW WHPSHUDWXUH 5HILUHWKHVSHFLPHQVLQDNLOQPDLQWDLQLQJDWHPSHUDWXUHULVHRI&KXQWLOD WHPSHUDWXUHRI&KDVEHHQUHDFKHG0DLQWDLQWKLVWHPSHUDWXUHIRUK $OORZWKHVSHFLPHQVWRFRROLQVLGHWKHNLOQ:KHQWKHWHPSHUDWXUHKDVIDOOHQWR&UHPRYH WKHVSHFLPHQVD
28、QGNHHSWKHPLQDGHVLFFDWRUDWDPELHQWWHPSHUDWXUHIRUDWOHDVWK ,QLWLDOPHDVXUHPHQW ,QLWLDOPHDVXUHPHQWRIWRWDOOHQJWK O L HWHUPLQHDQGUHFRUGWKHOHQJWK O L RIHDFKVSHFLPHQWRWKHQHDUHVWPPXVLQJYHUQLHU FDOOLSHUVRURWKHUVXLWDEOHDSSDUDWXV&KRRVHWKHLQYDUUHIHUHQFHEDUDFFRUGLQJO 0HDVXUHPHQWRIILUVWDQGVHFRQGGHYLDWLRQV O V DQGO V
29、 DQGPHDQLQLWLDOGHYLDWLRQV O P 7KHUHDGLQJVUHTXLUHGEWKLVVXEFODXVHDUHPDGHXVLQJWKHPHDVXULQJIUDPHDQGWRWKH QHDUHVWPP 7DNHDQGUHFRUGWKHUHDGLQJRIWKHLQYDUUHIHUHQFHEDU 5 LQ 7DNHDQGUHFRUGWKHILUVWUHDGLQJRIHDFKVSHFLPHQDIWHUNLOQUHILULQJDQGFRROLQJWRDPELHQW WHPSHUDWXUH 5 d &DOFXODWHDQGUHFRUGIRUHDFKVSHFLPHQWKHILUVWGH
30、YLDWLRQ O V LHWKH GLIIHUHQFHEHWZHHQ 5 d DQG 5 LQ WRWKHQHDUHVWPP 7DNHDQGUHFRUGWKHVHFRQGUHDGLQJRIHDFKVSHFLPHQDIWHUNLOQUHILULQJFRROLQJWRDPELHQW WHPSHUDWXUHDQGVXEVHTXHQWKKROG 5 d &DOFXODWHDQGUHFRUGIRUHDFKVSHFLPHQWKHVHFRQG GHYLDWLRQ O V LHWKHGLIIHUHQFHEHWZHHQ 5 d DQG 5 LQ WRWKHQHDUHVWPP(DPSOHVRI GHYLDWLR
31、QVDUHLOOXVWUDWHGLQ)LJXUH )RUHDFKVSHFLPHQUHFRUGWKHLQLWLDOGHYLDWLRQ O P DVWKHPHDQRI O V DQG O V WRWKHQHDUHVW PP %RLOLQJZDWHUWUHDWPHQW ,PPHUVHWKHVSHFLPHQVLQERLOLQJZDWHUIRUK7KHWHVWVSHFLPHQVVKDOOEHVXSSRUWHG FOHDURIWKHEDVHRIWKHWDQNDQGVKDOOQRWEHLQFRQWDFWZLWKWKHVLGHV 5HPRYHWKHWHVWVSHFLPHQVDQGDOORZWKHPWRFRRO
32、DWURRPWHPSHUDWXUH3DJH (1 %6, 0HDVXUHPHQWRIWKLUGDQGIRXUWKGHYLDWLRQV O V DQGO V DQGPHDQILQDOGHYLDWLRQV O P 7KHUHDGLQJVUHTXLUHGEWKLVVXEFODXVHDUHPDGHXVLQJWKHPHDVXULQJIUDPHDQGWRWKHQHDUHVW PP 7DNHDQGUHFRUGWKHUHDGLQJRIWKHLQYDUUHIHUHQFHEDU 5 LQ 7DNHDQGUHFRUGWKHWKLUGUHDGLQJRIHDFKVSHFLPHQKDIWHUFRROLQJIROORZLQ
33、JERLOLQJZDWHU WUHDWPHQW 5 d &DOFXODWHDQGUHFRUGIRUHDFKVSHFLPHQWKHWKLUGGHYLDWLRQ O V LHWKH GLIIHUHQFHEHWZHHQ 5 d DQG 5 LQ WRWKHQHDUHVWPP 7DNHDQGUHFRUGWKHIRXUWKUHDGLQJRIHDFKVSHFLPHQ 5 d KDIWHUWKHWKLUGUHDGLQJ 5 d &DOFXODWHDQGUHFRUGIRUHDFKVSHFLPHQWKHIRXUWKGHYLDWLRQ O V LHWKHGLIIHUHQFHEHWZHHQ 5 d DQG 5 LQ
34、 WRWKHQHDUHVWPP )RUHDFKVSHFLPHQUHFRUGWKHILQDOGHYLDWLRQ O P DVWKHPHDQRI O V DQG O V WRWKHQHDUHVW PP (SUHVVLRQRIUHVXOWV )RUHDFKVSHFLPHQFDOFXODWHWKHPRLVWXUHHSDQVLRQGXHWRWKHERLOLQJZDWHUWUHDWPHQW H V WRWKH QHDUHVWPPPDVIROORZV PPP L P P V - = O O O H )URPWKHLQGLYLGXDOYDOXHV H V FDOFXODWHWKHPHDQYDOXHRIWKHP
35、RLVWXUHHSDQVLRQ H P WRWKH QHDUHVWPPP 7HVWUHSRUW 7KHWHVWUHSRUWVKDOOFRQWDLQWKHIROORZLQJLQIRUPDWLRQ D WKHQXPEHUWLWOHDQGGDWHRILVVXHRIWKLV(XURSHDQ6WDQGDUG E WKHQDPHRIWKHRUJDQLDWLRQWKDWFDUULHGRXWWKHVDPSOLQJDQGWKHPHWKRGXVHG F WKHGDWHRIWHVWLQJ G WKHWSHRULJLQDQGGHVLJQDWLRQRIWKHPDVRQUXQLWEUHIHUHQFHWR SU(1 H W
36、KHQXPEHURIVSHFLPHQVLQWKHVDPSOH I WKHGDWHRIGHOLYHURIWKHVSHFLPHQVWRWKHWHVWLQJODERUDWRU3DJH (1 %6, J WKHPRLVWXUHHSDQVLRQ H V IRUHDFKVSHFLPHQHSUHVVHGLQPPPWRWKHQHDUHVW PPP K WKHPHDQYDOXH H P RIPRLVWXUHHSDQVLRQHSUHVVHGLQPPPWRWKHQHDUHVW PPP L UHPDUNVLIDQ .H LDORUGLJLWDOPHDVXULQJJDXJH ,QYDUUHIHUHQFHEDU 6XSSRUW 6 S H F L P H Q &RQWDFWRIPHDVXULQJIUDPH )LJXUH0HDVXULQJIUDPHVKRZLQJPHDVXUHPHQWRILQYDUUHIHUHQFHEDUDQGRIVSHFLPHQ3DJH (1 %6, .H ,QYDUEDU 6SHFL